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Discussion thread: https://confluent.slack.com/archives/C021W3ULE2X/p1690905387380699 

JIRA: KMETA-1086 [Change the link from KAFKA-1 to your own ticket]

Motivation

Some users run controllers and brokers on the same machine (not containerized, but through tarballs, etc) and with ZooKeeper, they can independently start/stop the ZooKeeper controller and Kafka broker since there were specific shell scripts for each. However in KRaft mode, they can't start and stop the KRaft controller independently from the Kafka broker. We need to provide a way for users to kill either controllers or brokers.

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